After updating the NPM dependencies, archive based checkouts were broken on Windows machines that do not have Git.exe in a location that actions/checkout understands.

This is because @actions/tool-cache was updated with a Powershell command Expand-Archive. This command explicitly checks the file name includes the .zip extension a the end. For whatever reason, actions/checkout was writing the extension as .gz regardless of the compression format used.

Before:

After:

#1721